Description
Set of six igneous rock specimens for studying rock and mineral properties in classroom demonstrations and experiments
Igneous rocks form from molten rock that cools and solidifies either above or below the surface of the earth
Includes the following specimens of granite, gabbro, basalt, rhyolite, obsidian, and scoria
Trueform from molten rock that cools and solidifies
Product Dimensions : 3 x 2.2 x 6 inches; 1.66 Pounds
Our Recommended age : 8 years and up
Manufacturer recommended age : 5 months and up
Item model number : 409367
Date First Available : July 26, 2010
Manufacturer : School Specialty
Country of Origin : USA
Opaque Glaze has tiny crystals mixed with a speckled base melt and move during firing allowing colors to bloom for beautiful, unique results.
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